1244844432 has 240 divisors, whose sum is σ = 4080294400. Its totient is φ = 350853120.

The previous prime is 1244844427. The next prime is 1244844437. The reversal of 1244844432 is 2344484421.

It is an interprime number because it is at equal distance from previous prime (1244844427) and next prime (1244844437).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1244844437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1102044 + ... + 1103172.

Almost surely, 2^1244844432 is an apocalyptic number.

1244844432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244844432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040147200).

1244844432 is an abundant number, since it is smaller than the sum of its proper divisors (2835449968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244844432 is a wasteful number, since it uses less digits than its factorization.

1244844432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1197 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

The square root of 1244844432 is about 35282.3529827590. The cubic root of 1244844432 is about 1075.7343263229.

The spelling of 1244844432 in words is "one billion, two hundred forty-four million, eight hundred forty-four thousand, four hundred thirty-two".